Page({
    data: {
       
    },
    onLoad : function () {
       
    },
    xToQR:function(){
      let that =this;
      var url= 'https://7633-v3-92ah4-1300208657.tcb.qcloud.la/static/zxs_QR.png?time='+Date.now() 
      wx.previewImage({
        urls: [url],
      })
    }
})